Combining Texts

All the ideas for 'Identity and Spatio-Temporal Continuity', 'Building Blocks of Mathematical Logic' and 'Letter to Clerk Maxwell'

expand these ideas     |    start again     |     specify just one area for these texts

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3 ideas

5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic

17699

Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel]

9. Objects / A. Existence of Objects / 5. Individuation / e. Individuation by kind

13128

'Ultimate sortals' cannot explain ontological categories [Westerhoff on Wiggins]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

15313

By 'force' I mean the sources of all actions - sometimes called 'powers' by their outcomes [Breheny]